population is christian. and that percentage has been relatively constant for the last 100 years. go to our web site for more questions. thank you for being part of my program this week. i will see you next year and next week. stay tuned for "reliable sources." it's been a dizzying year for those of us in the news business as we've lurched from one scandal to another, one political candidate to another, one foreign revolution to another. think about it -- anthony weiner, dsk, herman cain, jerry sandusky, the campaign, donald trump, michele bachmann, rick perry, newt gingrich. the world stage, turmoil in tunisia, in egypt, in libya, in syria. we'll examine whether the media's coverage of these fast-moving events has been serious, sensational, or superficial, a year-end report card of sorts. plus, a conversation with ben smith, who's leaving "politico" for buzzfeed. what is that?